<div id="app">
    <!-- Don't use self-closing tags because jest html engine will break -->
    <b-breadcrumb ref="breadcrumb1" :items="items"></b-breadcrumb>
    <b-breadcrumb ref="breadcrumb2">
        <b-breadcrumb-item v-for="(item,index) in items2"
                           v-bind="item"
                           :key="index" />
    </b-breadcrumb>
</div>
